/*
 * SpeedoDyno - Speedometer and dynamometer application for Android 
 * Copyright 2013 Guilhem VALENTIN
 * 
 * This file is part of SpeedoDyno
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with SpeedoDyno. If not, see <http://www.gnu.org/licenses/>.
 */
package com.gvalentin.speedodyno.util;

import android.content.SharedPreferences;

/**
 * Utility methods for preferences
 * @author guilhem
 */
public class PreferenceUtil {
	
	/** Get integer preference */
	public static int getPreference(SharedPreferences sharedPreferences, String key, int defaultValue) {
		// Get value as string
		String strValue = sharedPreferences.getString(key, null);
		
		// Try converting it, silently ignoring errors and using default value if not possible
		int intValue = defaultValue;
		if (strValue != null) try {
			intValue = Integer.valueOf(strValue);
		} catch(Exception e) { }
		
		// Return converted value
		return intValue;
	}
	
	/** Get double preference */
	public static double getPreference(SharedPreferences sharedPreferences, String key, double defaultValue) {
		// Get value as string
		String strValue = sharedPreferences.getString(key, null);
		
		// Try converting it, silently ignoring errors and using default value if not possible
		double doubleValue = defaultValue;
		if (strValue != null) try {
			doubleValue = Double.valueOf(strValue);
		} catch(Exception e) { }
		
		// Return converted value
		return doubleValue;
	}

}
